janhoy commented on code in PR #4209:
URL: https://github.com/apache/solr/pull/4209#discussion_r2943495910
##########
solr/core/src/java/org/apache/solr/metrics/OtelRuntimeJvmMetrics.java:
##########
@@ -65,6 +75,38 @@ public ContextPropagators getPropagators() {
// TODO: We should have this configurable to enable/disable
specific JVM metrics
.enableAllFeatures()
.build();
+ java.lang.management.OperatingSystemMXBean osMxBean =
+ ManagementFactory.getOperatingSystemMXBean();
+ if (osMxBean instanceof com.sun.management.OperatingSystemMXBean
extOsMxBean) {
+ systemMemoryTotalGauge =
+ solrMetricManager.observableLongGauge(
+ registryName,
+ "jvm.system.memory",
Review Comment:
Oh, well, I managed to enable OTLP export of metrics, I thought it was not
possible. So guess changing from underscore to dot in 10.1 would be a break,
unless we classify it as a bug or a BETA feature..
<img width="1028" height="833" alt="Skjermbilde 2026-03-17 kl 00 08 48"
src="https://github.com/user-attachments/assets/23c3dbc5-9964-4a52-9e45-8ff6df2fe83b";
/>
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